Fiber holder adapter



FIG. 1 is a perspective view of a fiber holder adapter showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top plan view thereof.

The broken line showing of the various circular regions and the protruding pin is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a fiber holder adapter, as shown and described. 